<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>二维码生成器</title>
</head>
<body>
    <center>
        <h1>二维码生成器</h1>
        <form action="/myweb/createQR" method="get">
            所要生成语句<input type="text" name="message">
            <input type="submit">
        </form>
    </center>
</body>
</html>